Cleaning brush



1. Cleaning brush

1.1 is a perspective view showing the cleaning brush of my design;

1.2 is a front elevational view thereof;

1.3 is a rear elevational view thereof;

1.4 is a left side elevational view thereof;

1.5 is a right side elevational view thereof;

1.6 is a top plan view thereof; and

1.7 is a bottom plan view thereof. 

CLAIM The ornamental design for a cleaning brush, as shown and described. 